body {
    background-color: #20233A;
    overflow-y: hidden;
}

#head {
    padding: 50px 50px 0px 50px;
}

#head span {
    font-size: 26px;
    color: #ffffff;
}

#main_div {
    background-color: #ffffff;
    margin: 100px auto;
    margin-top: 20px;
    border-top: 4px solid #d8d5ff;
}

#main_div table tr td input {
    height: 30px;
    width: 300px;
}

#register_table {
    margin: auto;
    width: 750px;
    height: 400px;
    align: center;
    cellpadding: 0px;
    cellspacing: 0px;
    bgcolor: white;
    background-color: #ffffff;
}

#register_table tr td {
    padding-left: 40px;
}

.head_table {
    height: 50px;
}

.foot_table {
    height: 100px;
}

#phonenumber {
    size: 34px;
}

#username {
    size: 34px;
}

#password {
    size: 34px;
    background-color: white;
}

#password_verity {
    size: 34px;
    background-color: white;
}

#email {
    size: 34px;
}

#btn_submit {
    width: 150px;
    height: 200px;
    padding: 10px 10px;
    border: none;
    background-color: #f6f4ff;
    font-size: 24px;
    text-align: center;
    margin-left: 120px;
}

#btn_submit:hover {
    background-color: #20233A;
    color: white;
}

.error {
    width: 300px;
}

.error_info {
    color: red;
}